MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded links to other PDF files, a technique often used for SEO poisoning or to distribute malicious content. One of the primary links directs to a known malicious redirector, ttraff.ru, which is configured to redirect users based on keywords. The ML classifier strongly indicated maliciousness, and the PDF structure itself is flagged for containing a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=present+simple+continuous+exercises+pdf+intermediate
- http://files.zanyunoodles.com/uploads/1/3/0/7/130739381/sikete-wemotuta.pdf
- http://files.givengohockey.com/uploads/1/3/2/6/132695388/lirepogodokimov_kiguse.pdf
- http://furogit.missjoyadams.com/uploads/1/3/1/4/131453247/e03a55cfd45b8.pdf
- https://cdn.shopify.com/s/files/1/0436/1935/2740/files/bogovuxugifo.pdf
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/lukizulalame.pdf
- https://cdn.shopify.com/s/files/1/0438/4676/2656/files/rupifulusi.pdf
- https://cdn.shopify.com/s/files/1/0434/8719/9394/files/niruxatarowusakinazuda.pdf
- https://cdn.shopify.com/s/files/1/0434/7982/6582/files/gurafigigimemomotezejo.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1718/files/94120183738.pdf
- https://cdn.shopify.com/s/files/1/0433/8630/6710/files/85896056564.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/mitotugosujudaxit.pdf
- https://cdn.shopify.com/s/files/1/0432/7328/9888/files/understanding_and_using_english_grammar_download.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1726/files/tilalojavomixifagosudili.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004675.bina5a751f8e1e9c6cf54304c7693e795db53bcce598485f55847ea960fb41f1200 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4675 | 5372 bytes |
font_01_sfnt_off000058a7.bin14c53a32eea2755ec9feba690a28c1ae03f712c861267d2aebb36e536a2e9602 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58A7 | 8328 bytes |
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